Brain MRS correlates with mitochondrial dysfunction biomarkers in MELAS‐associated mtDNA mutations oleh Laura L. Gramegna, Stefania Evangelisti, Lidia Di Vito, Chiara La Morgia, Alessandra Maresca, Leonardo Caporali, Giulia Amore, Lia Talozzi, Claudio Bianchini, Claudia Testa, David N. Manners, Irene Cortesi, Maria L. Valentino, Rocco Liguori, Valerio Carelli, Caterina Tonon, Raffaele Lodi